#include<bits/stdc++.h>
using namespace std;

main() {
	double pi=acos(-1.0);//M_PI atan(1.0)*4
	printf("%f\n",sqrt(2));
	printf("%f\n",pow(2,0.5));
	printf("%f\n",pow(1.01,365));
	printf("%f\n",pow(0.99,365));
	printf("%f\n",sin(pi/6));
	printf("E=%f\n",exp(1.0));//e^x
	printf("E=%f\n",pow(1+1.0/10000,10000));
	printf("%f\n",log(10));//ln(10)
	printf("%f\n",log10(10));//1
	printf("%d\n",max(3,4));//4
	printf("%d\n",min(3,4));
	printf("%f\n",ceil(M_PI));
	printf("%f\n",floor(M_PI));


}
